CVE-2026-2533
HIGHCVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
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Description
A flaw has been found in Tosei Self-service Washing Machine 4.02. Impacted is an unknown function of the file /cgi-bin/tosei_datasend.php. Executing a manipulation of the argument adr_txt_1 can lead to command injection. It is possible to launch the attack remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Analysis
Tosei Self-service Washing Machine 4.02 contains an unauthenticated command injection vulnerability in the adr_txt_1 parameter of /cgi-bin/tosei_datasend.php, allowing remote attackers to execute arbitrary commands with limited confidentiality, integrity, and availability impact. Public exploit code exists for this vulnerability, and no patch is currently available from the vendor despite early notification.
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Remediation
Within 24 hours: Inventory all Tosei washing machines running version 4.02 and isolate affected devices from critical networks if operationally feasible. Within 7 days: Implement network segmentation to restrict access to /cgi-bin/tosei_datasend.php endpoints, deploy WAF rules to monitor and block suspicious requests to this path, and document current compensating controls. …
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